Phillip Ghadir presents a financial application that was initially built using SOAP, WSDL, WS-*, and was later migrated to use REST, Atom, and AtomPub, explaining the decisions made, the pitfalls and the lessons learned along the way.
Phillip Ghadir, CTO and principal consultant of innoQ Deutschland GmbH, has built several systems and components for large scale, distributed, mission critical systems that are still serving continuously until now. He was involved in several projects, including a large development effort for building a Basel II- compliant rating service, where he was the lead architect.
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How to make the service to rate a customer?
Another thing I was wondering about is how the initially mentioned problems were actually solved with the new solution - what happened to the MDA approach, how easy/difficult was it for the B2B consumers to use the new service, versioning etc.